菖蒲谷北長四郎山天井巣板。やややわめ。 よく雲るやつ。 とても大きい潰し燐寸原石鍛えて行くと無筋蓮華。3枚目は色モン。 Big ore was divided and shown Renge suita. It’s may be good at hazy sword polishing. #天然砥石 #330mate #japanesenaturalwhetstone